Added ReadMe

Author: sachinjain024

README.md

@@ -1,2 +1,122 @@
-# api-usage-examples
-Examples of how to manage rules in a workspace through APIs. Documentation - https://developers.requestly.io/api/overview/
+# Requestly API Usage Examples
+Examples of how to manage rules in a workspace through APIs.
+
+## References
+- Documentation - https://developers.requestly.io/api/overview/
+- Playground - https://readme.requestly.io
+
+## Code Usage
+
+### Dependency
+
+```bash
+npm install api --save
+```
+
+```js
+const sdk = require('api')('@requestly/v1.0#2dp5to2dlm1spg1x');
+sdk.auth(process.env.TEAT1_WORKSPACE_API_KEY);
+```
+
+**You can get the API Key by contacting us**
+
+### Fetch All Rules
+
+```js
+async function fetchAllRules() {
+    console.log('Fetching all rules...');
+    let allRules = null;
+
+    try {
+        const apiResponse = await sdk.getRules();
+        allRules = apiResponse.data;
+        console.log('Number of rules 👉👉👉👉', allRules.data.length);
+    } catch(e) {
+        console.error(e);
+    }
+    
+    return allRules;
+}
+```
+
+### Create a Rule
+```js
+async function createNewRedirectRule(ruleName, ruleDesc, requestURL, destinationURL) {
+    try {
+        const postRulesAPIRresponse = await sdk.postRules({
+            objectType: 'rule',
+            ruleType: 'Redirect',
+            status: 'Active',
+            name: ruleName,
+            description: ruleDesc,
+            pairs: [
+                {
+                source: {
+                    key: 'Url',
+                    operator: 'Equals',
+                    value: requestURL
+                },
+                destination: destinationURL,
+                destinationType: 'url'
+                }
+            ]
+        });
+
+        if (postRulesAPIRresponse.data.success) {
+            console.log('👉 Rule created successfully!!');
+        }
+
+        return postRulesAPIRresponse.data;
+    } catch (e) {
+        console.error(e);
+    }
+}
+```
+
+### Update a Rule
+
+```js
+async function updateRedirectRule(ruleId, ruleName, ruleDesc, requestURL, destinationURL) {
+    console.log(`👉 Updating a rule with Id=${ruleId} And name=${ruleName}`);
+
+    try {
+        const updateRulesAPIResponse = await sdk.putRulesRuleid({
+            objectType: 'rule',
+            ruleType: 'Redirect',
+            status: 'Active',
+            name: ruleName,
+            description: ruleDesc,
+            pairs: [
+              {
+                source: {
+                  key: 'Url',
+                  operator: 'Equals',
+                  value: requestURL
+                },
+                destination: destinationURL,
+                destinationType: 'url'
+              }
+            ]
+          }, {ruleId: ruleId})
+
+        if (updateRulesAPIResponse.data.success) {
+            console.log('👉 Rule updated successfully!!', updateRulesAPIResponse.data.data);
+        }
+
+        return updateRulesAPIResponse.data;
+    } catch (e) {
+        console.error(e);
+    }
+}
+```
+
+### Delete a Rule
+```js
+async function deleteRule(ruleId) {
+    try {
+        deleteRuleAPIResponse = sdk.deleteRulesRuleid({ ruleId });
+    } catch (e) {
+        console.error(e);
+    }   
+}
+```