Feature/add release script (#471)

* add release script

* updated changelog

---------

Co-authored-by: Steve Karg <skarg@users.sourceforge.net>

.github/workflows/release.yml

@@ -0,0 +1,67 @@
+name: Release sf.net
+# script adapted from
+# https://sourceforge.net/p/forge/documentation/Using%20the%20Release%20API/
+# github docs
+# https://docs.github.com/en/actions/learn-github-actions/variables
+
+on:
+  push:
+    # Pattern matched against refs/tags
+    tags:        
+      - 'bacnet-stack-[0-9]+-[0-9]+-[0-9]+'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Create Build Environment
+      run: |
+        sudo apt-get update -qq
+        sudo apt-get install -qq build-essential
+        sudo apt-get install -qq mingw-w64
+    - name: Build Win32 Apps
+      run: |
+        export CC=i686-w64-mingw32-gcc
+        export LD=i686-w64-mingw32-ld
+        i686-w64-mingw32-gcc --version
+        make win32
+    - name: Extract Version
+      id: vars
+      run: |
+        echo ::set-output name=version::$(echo ${{github.ref_name}} | sed -e 's/^vbacnet-stack-// -e 's/-/./')
+        echo ::set-output name=tool::$(echo ${{github.ref_name}} | sed -e 's/stack/tool/ -e 's/-/./')
+        echo ::set-output name=archive::$(echo ${{github.ref_name}} | sed 's/-/./')
+    - name: ZIP Win32 Apps
+      run: |
+        zip -r ${{steps.vars.outputs.tool}} ./bin/*.exe ./bin/readme.txt ./apps/mstpcap/mstpcap.txt
+    - name: ZIP Source Code
+      run: |
+        git archive --format zip --output ${{steps.vars.outputs.archive}}.zip ${{github.ref_name}}
+    - name: TGZ Source Code
+      run: |
+        git archive --format tgz --output ${{steps.vars.outputs.archive}}.tgz ${{github.ref_name}}
+    - name: Deploy to sf.net
+      run: |
+        env: 
+          api_key: ${{ secrets.SOURCEFORGE_RELEASE_API_KEY_SKARG }}
+          default_win: "default=windows"
+          default_posix: "default=mac&default=linux&default=bsd&default=solaris&default=others"
+          accept: "Accept: application/json"
+          url: "https://sourceforge.net/projects/bacnet/files"
+          url_tools: "$url/bacnet-tools/${{steps.vars.outputs.tool}}"
+          url_source: "$url/bacnet-tools/${{steps.vars.outputs.archive}}"
+        steps:
+          - name: Upload tools to sf.net as default download for Windows
+            run: |
+              curl -H $accept -X PUT -d $default_win -d $api_key -d $url_tools
+              curl -H $accept -X PUT -d ${{steps.vars.outputs.tool}}.zip -d $api_key -d $url_tools
+              curl -H $accept -X PUT -d ./bin/readme.txt -d $api_key -d $url_tools
+          - name: Upload archive to sf.net as default download for POSIX
+            run: |
+              curl -H $accept -X PUT -d $default_posix -d $api_key -d $url
+              curl -H $accept -X PUT -d ${{steps.vars.outputs.archive}}.zip -d $api_key -d $url_tools
+              curl -H $accept -X PUT -d ${{steps.vars.outputs.archive}}.tgz -d $api_key -d $url_tools
+              curl -H $accept -X PUT -d ./README.md -d $api_key -d $url_tools
+              curl -H $accept -X PUT -d ./SECURITY.md -d $api_key -d $url_tools
+              curl -H $accept -X PUT -d ./CHANGELOG.md -d $api_key -d $url_tools