Update to github version

README.md

@@ -7,6 +7,7 @@ This is the fast-track guide to contributing to **mxPIC**. Adherence to these ru
 ### <span style="color: #ff57c7;">0. Installation dependencies</span>
 - python 3.10.1
 - nazca 0.5.13
+- build 1.4.4
 - gdstk 1.0.0
 - numpy 1.22.3
 - pandas 1.3.3
@@ -16,15 +17,12 @@ This is the fast-track guide to contributing to **mxPIC**. Adherence to these ru
     - myst-parser 3.0.1
     - sphinx-rtd-theme 3.1.0
 
-```
-pip install sphinx myst-parser sphinx-rtd-theme gdstk==1.0.0
-```
 
 ## <span style="color: #ff57c7;">1. File & architecture</span>
 The repository have an archtecture like this.
 
 ```
-mxpic_forge/
+mxpic/
 ├── primitives/
 │   ├── edge_couplers/
 │   │   └── EC_dual_layer_px3.py
@@ -42,10 +40,8 @@ mxpic_forge/
 ├── others/
 ├── structures/
 ├── routing/
-├── foundries/
-└── docs/
-    └── source/
-        └── conf.py
+└── foundries/
+
 ```
 
 ## <span style="color: #ff57c7;">2. Annotation & Documentation</span>
@@ -84,6 +80,7 @@ The devices are divided into four major types, which is <span style="color: #d2a
 In the definitial of classes, compulsary keys are required, including **name** , **show_pins** , all defaults are None.  
 All classes are cored at the **cell** class of **nazca**, which is generated through an internal method named "generate_gds" 
 
+
 ``` python
 class GratingCoupler():
     def __init__(self,name:"str"=None,....,show_pins:bool=None)
@@ -98,6 +95,12 @@ class GratingCoupler():
         
         return C 
 ```
+Please not that each class can be directly generated without any argument input which requires all the arguements to have default values, example below :
+
+``` python
+grating =  GratingCoupler()
+```
+
 ---
 ## <span style="color: #ff57c7;">4. Port information formatting</span>
 The basic routing algorthium is based the information between nodes, which is the **pin** attribute inside each file. The formatting of **pin** name will be important.