Created Code style guide (markdown)

Code-style-guide.md

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+# Code Style Guide
+
+These are the code style guidelines that should be followed when contributing to fluxion.
+
+## Indentation
+_Indent = two spaces_
+<br>
+<br>
+Not hard tabs. Not four spaces. Not however many spaces you feel like. **2 spaces.**
+
+## Line Length
+Be reasonable. Keeping within 80 characters is recommended, 120 is the **maximum**.
+
+## Variables
+* Limit the scope of variables to local if within a function.
+* Wrap your variables in ${curly} ${braces}.
+* Use ${snake_case} for your variables. NOT ${camelCase} or ${FuCk_you_iDoWhat_i_want}.
+* Use existing variables whenever possible.
+
+**Bad**
+```	
+$(pwd)	
+$(whoami)
+```
+**Good**
+```
+${USER}
+${PWD}
+```
+## Flow Logic
+Place ; do ; then on the same line as while, for, and if.
+<br>
+<br>
+**Bad**
+```
+while true
+do
+```
+**Good**
+```
+while true;do
+```
+## Functions
+**Use POSIX syntax:**
+```
+foo() {
+  print 'bar'
+}
+```
+NOTE:  There are some exceptions but in general use POSIX.
+
+## Misc
+Do NOT use backticks $() to execute something in a subshell. 
+Bad:
+`print "use parentheses"`
+<br>
+Good:
+`print "use parentheses"`