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 # Unnamed Password Manager
-Hi
\ No newline at end of file
+### Introduction
+This is a password manager. Keep your passwords safe. :><br>
+
+### Features:
+ - Fully local storage
+ - Symmetric AES encryption
+ - Multiple users
+ - Cross platform
+ - Web ui
+
+## Working
+Why use Unnamed Password Manager (UNPM)
+### Before UNPM
+"Never use common password"
+    - A wise person
+```mermaid
+flowchart LR
+    vw[Visit Website]
+        --> s[Sign up using unique password]
+        --> fp["Forgot Password 😭"]
+    vw[Visit Website]
+        --> sa[Sign up with common password]
+        --> gh[Get all your accounts hacked]
+```
+### After UNPM
+```mermaid
+flowchart LR
+    vw[Visit Website]
+        --> s[Sign up using unique password]
+        --> sp[Save password safely in UNPM]
+    vwa[Visit Website again]
+        --> gp[Get password using our web-app]
+        --> l[Login]
+```
+
+## FAQ
+#### How to Backup?
+ - Check where AppData is standard stored if your OS is not mentioned here.
+ - Linux:
+ - - Backup the file at the location "~/.local/share/Unnamed_Password_Manager/\<USERNAME\>"
+ - - Paste it in the same location or follow the directions for the OS.
+
+
+# Dev docs
+## Rest API
+##### WARNING:
+    Do NOT use this api for ANY reason EXCEPT if usage is ONLY local, i.e.,
+    this api is NOT built for usage over an external network and doing so
+    WILL NOT BE SECURE
+###### Note: 
+    Server throws 405 METHOD NOT ALLOWED if the url is mistyped
+
+```mermaid
+sequenceDiagram
+    autonumber
+    actor User
+    box App
+    participant Frontend
+    participant Backend
+    end
+
+    Note over User, Backend : LOGIN
+    User -->> Frontend : Wants to login
+    Frontend -->> Backend : { user_name : "...", password : "..." } to /login
+    Backend -->> Frontend : Success : http 200
+    Backend -->> Frontend : user_name / password not given : http 400
+    Backend -->> User : user_name / password is wrong : http 403
+
+    Note over User, Backend : LOGOUT
+    User -->> Frontend : Wants to logout
+    Frontend -->> Backend : /logout
+    Backend -->> Frontend : Success : http 200
+    Backend -->> User : Not logged in : http 403
+
+    Note over User, Backend : ADD USER
+    User -->> Frontend : Wants to add user
+    Frontend -->> Backend : { user_name : "...", password : "..." } to /add_user
+    Backend -->> Frontend : Success : http 200
+    Backend -->> Frontend : user_name / password not given : http 400
+    Backend -->> User : user_name is taken : http 403
+
+    Note over User, Backend : GET DATA
+    User -->> Frontend : field/ entry, etc.
+    Frontend -->> Backend : /get_data
+    Backend -->> User : Not logged in : http 403
+
+    Note over User, Backend : CHANGE PASSWORD
+    User -->> Frontend : Wants to change password
+    Frontend -->> Backend : { password : "..." } to /change_password
+    Backend -->> Frontend : password not given : http 400
+    Backend -->> User : Not logged in : http 403
+
+    Note over User, Backend : ADD ENTRY
+    User -->> Frontend : Wants to add entry
+    Frontend -->> Backend : entry data to /add_entry
+    Note over Frontend, Backend : entry data is { entry_name : "...", fields : "..." }
+    Note over Frontend, Backend : fields should be string({ field1 : "...", field2 : "...", ... })
+    Backend -->> Frontend : Entry data is not correct : http 400
+    Backend -->> User : Not logged in : http 403
+
+    Note over User, Backend : DELETE ENTRY
+    User -->> Frontend : Wants to delete entry
+    Frontend -->> Backend : { entry_name : "..." } to /delete_entry
+    Backend -->> Frontend : entry_name not given : http 400
+    Backend -->> User : Not logged in or entry_name does not exist : http 403
+
+    Note over User, Backend : EDIT ENTRY NAME
+    User -->> Frontend : Wants to change entry name
+    Frontend -->> Backend : { old_entry_name : "...", new_entry_name : "..." }
+    Backend -->> Frontend : Success : http 200
+    Backend -->> Frontend : old or new entry names not given : http 400
+    Backend -->> User : Old user name doesn't exist or the new one already exists
+```