Expanded README.md

Added more syntax specifications to the readme

Author: CoderCatGG

README.md

@@ -17,10 +17,66 @@ type MY_STRUCT: struct {
 };
 
 func main: (vessel: Vessel /* Vessel holds vessel data */) -> () {
-    let mut hi_text: str = "hi world?";
-    hi_text = "Hello World!";
+    let mut hi_text: str = "hi kerbin?";
+    hi_text = "Hello kOS!";
     if ?hi_text { // Not worth printing if its empty
         print(hi_text);
     }
 }
 ```
+
+### Keywords
+- `func`: specifies a function or function signature
+- `let`: specifies an immutable variable
+- `const`: specifies a compile time constant, only allowed in global scope
+- `macro`: specifies a compile time macro (code replacement), only allowed in global scope
+- `mut`: marks a variable or refrence as mutable
+- `return`: returns from a function
+- `if`: if-statement
+- `else`: else-statement
+- `switch`: switch-statement
+
+#### Type Keywords
+- `i16`
+- `i32`
+- `f32`
+- `f64`
+- `bool`
+- `byte`
+- `str`
+- `struct`
+- `enum`
+
+#### Reserved Keywords
+These are reserved, there is currently no plan to implement them
+
+- `async`
+- `import`
+
+### Unary Prefix Operators
+- `?`: Logical Operator, Evaluates "truthness" of another type (uses kOS's `OpcodeLogicToBool` in `src/kOS.Safe/Compilation/Opcode.cs`)
+- `&`: Refrence
+- `*`: Derefrence
+- `!`: Logical Not
+- `-`: Arithmetic Negation
+
+### Binary Infix Operators
+- `+`: Addition
+- `-`: Subtraction
+- `*`: Multiplication
+- `\`: Division
+
+### Number Literals
+Integer and byte literals may begin with `0x` to indicate hexadecimal parsing
+
+### String Literals
+String literals must be surrounded with `"` characters
+
+#### String Escape Sequences
+- `\n`: Newline
+- `\t`: Tab
+- `\r`: Carriage Return
+- `\0`: Nullbyte
+- `\3`: Hex `0x03`, to print ksm argument headers
+- `\\`: `\` character
+- `\"`: `"` character