added custom syntax for DSA, minor changes to doc formatting

src/dsa/instructions/directives.md

@@ -1,6 +1,6 @@
 # Data Directives
 
-### Data Definition
+## Data Definition
 
 | Mnemonic | Syntax | Description |
 |----------|--------|-------------|
@@ -9,6 +9,7 @@
 | **DW** | `name: value1 [, value2, ...]` | Define words</br>*(4 byte aligned)*|
 
 **Examples:**
+
 ```dsa
 db message: "Hello World", 0, 0x20, 231
 dh numbers: 1000, 2000, 3000
@@ -16,26 +17,29 @@ dw stack: 0x10000
 ```
 
 **Notes:**
-- All string literals are automatically *null-terminated*
-- 
 
-### Memory Reservation
+- All string literals are automatically *null-terminated*
+
+## Memory Reservation
 
 | Mnemonic | Syntax | Description |
 |----------|--------|-------------|
 | **RESB** | `name: size` | Reserve bytes |
-| **RESH** | `name: size` | Reserve half-words |  
+| **RESH** | `name: size` | Reserve half-words |
 | **RESW** | `name: size` | Reserve words |
 
 **Examples:**
+
 ```dsa
 resb buffer: 256    ; Reserve 256 bytes
 resh array: 100     ; Reserve space for 100 half-words
 resw heap: 1024     ; Reserve space for 1024 words
 ```
 
-### Imports
+## Imports
+
 | Mnemonic | Syntax | Description |
 |----------|--------|-------------|
 | **INCLUDE** | `module_name "path"` | Include module symbols |
+
 [More details on the module System](../imports.md)