chore: add installation instructions to readme

Author: iankressin

README.md

@@ -2,6 +2,23 @@
 
 This query language allows users to interact with EVM chain data and perform various operations on entities like accounts, blocks, and transactions. Below is a summary of the entities and expressions available in this language:
 
+## Installation
+To begin, install eqlup, the EQL version manager, by running the following command:
+```bash
+curl https://raw.githubusercontent.com/iankressin/eql/main/eqlup/install.sh | sh
+````
+
+Next, install the latest version of EQL using this command:
+```bash
+eqlup
+```
+
+### Updating EQL
+To update EQL to the latest version, you can simply run `eqlup` again:
+```bash
+eqlup
+```
+
 ## Entities:
 ### Account:
 - address [id]
@@ -34,16 +51,14 @@ This query language allows users to interact with EVM chain data and perform var
 
 *Example*: `GET nonce, balance FROM account vitalik.eth ON base`
 
-### SEND:
+### SEND (Soon):
 *Description*: Sends a transaction to the network
 
 *Production*:  `SEND <type> to=<address>, value=<ether>, data=<bytes> ON <chain>`
 
 *Example*: `SEND TX to=vitalik.eth, value=1, data=0x0...000 ON arbitrum`
 
-           `SEND TOKEN token=0x00...000, to=vitalik.eth amount=0.001 ON ethereum`
-
-### MATH:
+### MATH (Soon):
 *Description*: Supports basic math operations like SUM, SUB, DIV, TIMES
 
 *Production*: `<operator>(<[expr, ]>)`