[docs]: Update CONTRIBUTING.md (#78)

CONTRIBUTING.md

@@ -61,16 +61,76 @@ We welcome contributions from the community! Here's how you can help:
    > Replace `your-branch-name` with the name of your branch.
 
 - Example: 
-
     ```bash
     git push origin fix/bug-fix
     ```
 
+6. **Submit a Pull Request:** Submit a pull request to the `main` branch of the CofiBlocks repository.
+
+    - <a href="https://github.com/Vagabonds-Labs/cofiblocks/pulls" target="_blank"> Summit pull request</a>
+
+# 📌 Update your Fork and Local Repository
+
+### 🔒 Set up the original repository as upstream (only once)
+- **Check your remote.**
+```bash
+git remote -v
+```
+
+- **If you don't see `upstream`, add it.**
+```bash
+git remote add upstream https://github.com/Vagabonds-Labs/cofiblocks.git
+```
 #
 
-6. **Submit a Pull Request:** Submit a pull request to the `main` branch of the Semaphore Stellar SDK repository.
+### 🔩 Update your Fork
+1. **Bring the latest changes from the original repository.**
+    ```bash
+    git fetch upstream
+    ```
+2. **Switch to the `main` branch of your local repository.**
+    ```bash
+    git checkout main
+    ```
+3. **Merge `upstream/main` changes to your local branch.**
+    ```bash
+    git merge upstream/main
+    ```
+4. **Upload the changes to your fork in GitHub.**
+    ```bash
+    git push origin main
+    ```
+#
 
-    - <a href="https://github.com/Vagabonds-Labs/cofiblocks/pulls" target="_blank"> Summit pull request</a>
+### 🔧 Update other branches
+- **Change to the branch you want to update.**
+```bash
+git checkout name-of-your-rama
+```
+- **Take an overflow with the updated `main` branch.**
+```bash
+git rebase main
+```
+- **Upload the changes to your fork.**
+```bash
+git push origin name-of-your-rama --force
+```
+
+## 🎯 **Common mistakes**
+1. **Local changes without saving.**
+    - Save changes temporarily
+    ```bash
+    git stash
+    ```
+2. **Then update and recover your changes.**
+    ```bash
+    git stash pop
+    ```
+3. **Untracked files causing conflict.**
+    - Delete them if you don't need them
+    ```bash
+    rm filename
+    ```
 
 # **📁 Commits**
 
@@ -95,8 +155,15 @@ git commit -m "[fix]: fix bug in code"
 ``` 
 
 ```bash
-git commit -m "[test]: add test case"
+git commit -S -m "[test]: add test case"
 ```
+**Other Example:**
+
+- If you wnat to sign your commits, you can use the `-S` flag.
+
+```bash
+git commit -S -m "[refactor]: Changes in the code"
+``` 
 
 # **🔗 Branches**
 1. There must be a `main` branch, used only for the releases.

README.md

@@ -25,9 +25,8 @@ CofiBlocks is more than just a coffee marketplace; it's a movement for a more eq
 
 - [CofiBlocks: Innovating the Coffee Industry in Costa Rica with Web3](https://mirror.xyz/0xF574753688ABf9740660DFb02E84E4599CA6Eb87/QneFnlPqTRuV_3jt7Kd6foBfFokOKN6zNcJCqpj_xkw)
 
-
-
 - [Pitch Deck](https://docs.google.com/presentation/d/16zPeDC-6fMaCRRpaQCTPPIn_ZKdI0d9ZArkTxd2wmAA/edit#slide=id.p1)
+
 ## 👥 Meet the Team
 
 ### ☕ **FOUNDERS**
@@ -127,8 +126,8 @@ volumes:
 
 1. Clone the repository:
    ```bash
-   git clone https://github.com/Vagabonds-Labs/marketplace.git
-   cd marketplace
+   git clone https://github.com/Vagabonds-Labs/cofiblocks.git
+   cd cofiblocks
    ```
 
    - Run `docker compose up`, to access the database.