Windows compile instructions (#33)

Update README.md

Author: ngdavid1013

README.md

@@ -39,8 +39,93 @@ See [Wireshark Documentation on Plugin Folders](https://www.wireshark.org/docs/w
 4. After installing the plugin, verify that the plugin is loaded by searching `smf` under the `Plugins` tab
 
 ## Building Manually
-
-TODO
+Go to an appropriate directory and execute:
+```
+git clone --recurse-submodules git@github.com:SolaceLabs/wireshark-smf-plugin.git
+```
+Note: If you plan to submit changes, create a fork first and clone from the fork.
+
+### Windows
+#### Windows Build
+Follow instructions in https://www.wireshark.org/docs/wsdg_html_chunked/ChSetupWindows
+
+The following are some deviations from the above instructions.
+Use a cmd prompt with admin privilege:
+```
+cd base-directory-of-wireshark-smf-plugin
+mkdir build
+mklink CMakeListsCustom.txt ..\src\CMakeListsCustom.txt 
+cd plugins\epan
+mklink /D smf ..\..\..\src\smf
+```
+In vscode, my task.json looks like this:
+```json
+{
+	"version": "2.0.0",
+	"tasks": [
+        {
+            "label": "Pre-Build Files (cmake)",
+            "type": "shell",
+            "group":"build",
+            "options": {
+                "cwd": "build",
+                "env": {
+                    "WIRESHARK_BASE_DIR": "C:\\my-path\\wireshark-smf-plugin",
+                    "QT6_DIR": "C:\\Qt\\6.7.3\\msvc2022_64",
+                    "WIRESHARK_VERSION_EXTRA": "-YourExtraVersionInfo"
+                }
+            },
+            "command": "cmake -DVCSVERSION_OVERRIDE=\"Git v3.1.0 packaged as 3.1.0-1\" -G “Visual Studio 17 2022” -A x64 ..\\wireshark",
+            "problemMatcher": [
+                "$msCompile"
+            ]
+        },
+        {
+            "label": "Build wireshark (msbuild)",
+            "type": "shell",
+            "group":{
+                "kind": "build",
+                "isDefault": true
+            },
+            "options": {
+                "cwd": "build",
+                "env": {
+                    "WIRESHARK_BASE_DIR": "C:\\my-path\\wireshark-smf-plugin",
+                    "QT6_BASE_DIR": "C:\\Qt\\6.7.3\\msvc2022_64",
+                    "WIRESHARK_VERSION_EXTRA": "-YourExtraVersionInfo"
+                }
+            },
+            "command": "msbuild /m /p:Configuration=Debug Wireshark.sln",
+            "problemMatcher": [
+                "$msCompile"
+            ]
+        },
+        {
+            "label": "Clean wireshark (msbuild)",
+            "type": "shell",
+            "group":"build",
+            "options": {
+                "cwd": "build",
+                "env": {
+                    "WIRESHARK_BASE_DIR": "C:\\my-path\\wireshark-smf-plugin",
+                    "QT6_BASE_DIR": "C:\\Qt\\6.7.3\\msvc2022_64",
+                    "WIRESHARK_VERSION_EXTRA": "-YourExtraVersionInfo"
+                }
+            },
+            "command": "msbuild /m /p:Configuration=Debug Wireshark.sln /t:Clean"
+        }
+	]
+}
+```
+
+Note 1: To start VSCode, start from the "X64 Native Tools Command Prompt" (search for this in Windows search box), then type "code" to start VSCode.
+
+Note 2: The VCSVERSION_OVERRIDE is needed because the compile failed to find the approparite git repository.
+
+### Linux
+    TODO
+### MacOS
+    TODO
 
 ## Version Naming Convention
 As this plugin is designed for use in Wireshark, the MAJOR.MINOR match the Wireshark versions. I.E. SMF Plugin 4.0.x indicates support for all patches of Wireshark 4.0.