Update README.md

README.md

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-# dapp-tools
+# Dapp tools
+
+---
+
 A collection of dapp tools that are displayed on DappRadar dapp pages
+
+[![Defi Kingdom tools](https://i.imgur.com/zKIA7YA.png "Defi Kingdom tools")](https://dappradar.com/harmony/games/defi-kingdoms)
+
+## How to submit a tool
+
+---
+
+1. Fork this repository
+2. Add tools to `tools.json`
+3. Make a pull request
+
+## Editing `tools.json`
+
+---
+
+#### Variables
+
+---
+### Dapp 
+* `slug` *(required)* - slug of the dapp on DappRadar. 
+  * Example: slug for `https://dappradar.com/harmony/games/defi-kingdoms` is `defi-kingdoms`
+
+### Tool
+* `name` *(required)*
+* `url` *(required)*
+* `description` *(required)*
+* `image`
+* `authorName`
+* `social` (array)
+  * `type` (Website, Twitter, etc.)
+  * `url`
+
+#### Example
+```
+{
+    "slug": "defi-kingdoms",    
+    "tools": [
+        {
+            "title": "Freak's Axie Extension",
+            "url": "http://url-to-extension.com",
+            "image": "http://image-url.com",
+            "description": "An extension to help you play Axie Infinity. It shows number of breeds, HP, speed, purity, and pending exp",
+            "social": [
+                {
+                    "type": "Website",
+                    "url": "https://freakitties.github.io/axie/"
+                }
+            ],
+            "authorName": "freak#0001"
+        }
+        {
+            "title": "...",
+        }
+    ]
+}
+```
+
+## Help
+
+---
+
+Our community is here to help! Ask around:
+* [Discord](https://discord.gg/4ybbssrHkm)
+* [Telegram](https://t.me/joinchat/GdhNjQ8PMhCZ_a0CZutmXg)
+* [Twitter](https://twitter.com/dappradar)
+