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CONTRIBUTING.md

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+# Contributing to BNG Blaster
+
+:+1::tada: First off, thanks for taking the time to contribute! :tada::+1:
+
+The following is a set of guidelines for contributing to the BNG Blaster project. 
+These are mostly guidelines, not rules. Use your best judgment, and feel free to 
+propose changes to this document in a pull request.
+
+## Work Flow
+
+If you have added or modified code, please make sure the code compiles 
+without warnings before submitting. Our automated testing runs CMake on
+all the pull requests, so please be sure that your code passes before 
+submitting. 
+
+Pull requests are only accepted to the development branch (`dev`). From
+here we run a variety of regression tests before changes will be merged
+to main branch (`main`) and finally released.
+
+You can open draft pull requests for work in progress changes or to ask
+for early review or help. 
+ 
+## Coding Conventions
+
+### File Conventions
+
+Please use the directory structure of the repository and 
+strictly use snake_case (underscore_separated) in filenames.
+
+### Indentation
+
+Our standard indentation is 4 spaces per level. Most editors 
+can be set up to do the right indentation for you automatically.
+
+### Comments
+
+Please conform to Doxygen standard and document 
+the code as much as possible.
+
+```c
+/** 
+ * <Function Description>
+ *
+ * @param p1 <Parameter Description>
+ * @param p2 <Parameter Description>
+ * @return <Return Value Description>
+ */
+void *
+example_function(void *p1, void *p2)
+{
+    /** ... */
+    return NULL;
+}
+```
+
+### Macro Definitions
+
+Macro names (`#define`) should be all UPPER CASE for readability.
+
+### Data Types
+
+Use portable fixed-with C99 data types define in `stdint.h` or `stddef.h`. 
+This makes code more portable since the sizes of types (short, int, long, long long) 
+can vary between platforms, compilers and ABIs. These standard types are guaranteed 
+to be the size they advertise and are available since C99.
+
+Width | Unsigned | Signed
+----- | -------- | ------
+8-bit | uint8_t | int8_t
+16-bit | uint16_t | int16_t
+32-bit | uint32_t | int32_t
+64-bit | uint64_t | int64_t