Add instructions for building stand alone .exe with ocra. Add to readme.

Author: kobbled

README.md

@@ -56,6 +56,9 @@ TP+ is a higher-level language abstraction that translates into FANUC TP. It fea
 Install
 -----------
 
+> [!**NOTE**]
+> A Standalone `.exe` can be found in https://github.com/kobbled/tp_plus/releases, where you do not have to install anything. Simply add the location where the `tpp.exe` file resides onto your environment `Path`. However, with this method you will not recieve up to date changes to TP+.
+
 1. Install Ruby
 2. Install git
 3. Install bundler `gem install bundler`

ocra/GemFile_ocra

@@ -0,0 +1,12 @@
+source "https://rubygems.org"
+
+gem'benchmark-ips', '~> 2.1'
+gem'rexical', '~> 1.0'
+gem'racc', '~> 1.4.15'
+gem'test-unit', '~> 3.0'
+gem'rake', '~> 12.3.3'
+gem'ruby-prof', '~> 0.15'
+gem'rdoc'
+gem'ruby_deep_clone'
+gem'matrix', '~> 0.4.2'
+gem'ppr'

ocra/building_exe_with_ocra.md

@@ -0,0 +1,32 @@
+1. install ocra `gem install ocra`
+2. Copy this repo to another location as you will have to delete and modify files
+3. Replace the contents in `Gemfile` with `Genfile_ocra`
+```
+source "https://rubygems.org"
+
+gem'benchmark-ips', '~> 2.1'
+gem'rexical', '~> 1.0'
+gem'racc', '~> 1.4.15'
+gem'test-unit', '~> 3.0'
+gem'rake', '~> 12.3.3'
+gem'ruby-prof', '~> 0.15'
+gem'rdoc'
+gem'ruby_deep_clone'
+gem'matrix', '~> 0.4.2'
+gem'ppr'
+```
+4. Delete the following directories and files
+  * .vscode
+  * .git
+  * .gitignore
+  * .travis.yml
+  * *.code-workspace
+  * bin/*.bat
+  * examples
+5. Add .rb extension to `bin/tpp` -> `bin/tpp.rb`
+6. Download `fiber.so` from https://github.com/larsch/ocra/files/8249797/fiber.zip. Copy `fiber.so` into `C:\Ruby<version>-x64\lib\ruby\3.1.0\x64-mingw-ucrt` where \<version\> is the current ruby version number.
+7. Run ocra command in root directory to build
+```
+ocra bin/tpp.rb lib\tp_plus\karel\templates\karelenv.erb lib\tp_plus\karel\templates\rossumenv.erb lib\tp_plus\motion\templates\ls.erb --gemfile Gemfile --add-all-core --dll ruby_builtin_dlls/libgmp-10.dll --dll ruby_builtin_dlls/libffi-7.dll --dll ruby_builtin_dlls/libssp-0.dll --dll ruby_builtin_dlls/libssl-1_1-x64.dll --dll ruby_builtin_dlls/libcrypto-1_1-x64.dll --dll ruby_builtin_dlls/libgcc_s_seh-1.dll --dll ruby_builtin_dlls/libwinpthread-1.dll
+```
+