new icon: msdos (original) (#726)

* new icon: msdos (original)
- re-sorted icons starting with 'm' alphabetically

* Update icons/msdos/msdos-original.svg

Added msdos viewport

Co-authored-by: David Leal <halfpacho@gmail.com>

* Update devicon.json

Added msdos aliases

Co-authored-by: David Leal <halfpacho@gmail.com>

* Update devicon.json (fix)

Co-authored-by: Thomas Bui <43018778+Thomas-Boi@users.noreply.github.com>

* Update devicon.json (fix)

Co-authored-by: Thomas Bui <43018778+Thomas-Boi@users.noreply.github.com>

* msdos: plain and line added

* msdos: added viewboxes for plain and line

* msdos: added line to devicon.json and updated plain using single color

* msdos-plain: added viewport

* Update icons/msdos/msdos-line.svg

Co-authored-by: David Leal <halfpacho@gmail.com>

* Update icons/msdos/msdos-plain.svg

Co-authored-by: David Leal <halfpacho@gmail.com>

* Updated devicon.json: changed indentation from tabs to spaces

* msdos-plain: Removed inner lines

* Update icons/msdos/msdos-plain.svg

Co-authored-by: David Leal <halfpacho@gmail.com>

Co-authored-by: David Leal <halfpacho@gmail.com>
Co-authored-by: Thomas Bui <43018778+Thomas-Boi@users.noreply.github.com>

Author: 3 people

devicon.json

@@ -448,7 +448,7 @@
         },
         "color": "#00d1b2",
         "aliases": []
-  	},
+    },
     {
         "name": "bower",
         "tags": [
@@ -1347,7 +1347,7 @@
         "color": "#f24e1e",
         "aliases": []
     },
-	{
+    {
         "name": "filezilla",
         "tags": [
             "ftp"
@@ -2513,6 +2513,26 @@
         "color": "#1FA6CA",
         "aliases": []
     },
+    {
+        "name": "matlab",
+        "tags": [
+          "programming",
+          "language"
+        ],
+        "versions": {
+          "svg": [
+            "original",
+            "plain",
+            "line"
+          ],
+          "font": [
+            "plain",
+            "line"
+          ]
+        },
+        "color": "#6dd0c7",
+        "aliases": []
+    },
     {
         "name": "magento",
         "tags": [
@@ -2576,6 +2596,16 @@
         "color": "#df5052",
         "aliases": []
     },
+    {
+        "name": "minitab",
+        "tags": ["package", "statistics"],
+        "versions": {
+          "svg": ["original", "plain"],
+          "font": ["plain"]
+        },
+        "color": "#8dc63f",
+        "aliases": []
+    },
     {
         "name": "mocha",
         "tags": [
@@ -2655,54 +2685,43 @@
         "aliases": []
     },
     {
-        "name": "mysql",
+        "name": "msdos",
         "tags": [
-            "database",
-            "language"
+            "os"
         ],
         "versions": {
             "svg": [
                 "original",
-                "original-wordmark",
                 "plain",
-                "plain-wordmark"
+                "line"
             ],
             "font": [
                 "plain",
-                "plain-wordmark"
+                "line"
             ]
         },
-        "color": "#00618a",
+        "color": "#ff0000",
         "aliases": []
     },
     {
-        "name": "matlab",
+        "name": "mysql",
         "tags": [
-          "programming",
-          "language"
+            "database",
+            "language"
         ],
         "versions": {
-          "svg": [
-            "original",
-            "plain",
-            "line"
-          ],
-          "font": [
-            "plain",
-            "line"
-          ]
-        },
-        "color": "#6dd0c7",
-        "aliases": []
-    },
-    {
-        "name": "minitab",
-        "tags": ["package", "statistics"],
-        "versions": {
-          "svg": ["original", "plain"],
-          "font": ["plain"]
+            "svg": [
+                "original",
+                "original-wordmark",
+                "plain",
+                "plain-wordmark"
+            ],
+            "font": [
+                "plain",
+                "plain-wordmark"
+            ]
         },
-        "color": "#8dc63f",
+        "color": "#00618a",
         "aliases": []
     },
     {
@@ -2927,7 +2946,7 @@
         "color": "#0b5a9d",
         "aliases": []
     },
-	{
+    {
         "name": "opera",
         "tags": [
             "browser"
@@ -2936,12 +2955,12 @@
             "svg": [
                 "original",
                 "original-wordmark",
-				"plain",
-				"plain-wordmark"
+                "plain",
+                "plain-wordmark"
             ],
             "font": [
                 "plain",
-		"plain-wordmark"
+        "plain-wordmark"
             ]
         },
         "color": "#f7192d",
@@ -3769,7 +3788,7 @@
           }
         ]
     },
-	{
+    {
         "name": "subversion",
         "tags": [
             "svn",
@@ -4146,10 +4165,10 @@
         "color": "#dd4814",
         "aliases": []
     },
-	{
+    {
         "name": "unity",
         "tags": [
-			"csharp",
+            "csharp",
             "engine",
             "game"
         ],