Create mempool

Adds a plugin to show current mempool stats and transaction fees on mempool.space

Cryptocurrency/Bitcoin/mempool

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# Shows latest Bitcoin network fees on mempool.space (slow, medium, and fast via dropdown), and allows the user to select a default view for the bar itself. 
+#
+# <xbar.title>Mempool Bitcoin Fees Estimator</xbar.title>
+# <xbar.version>v1.0</xbar.version>
+# <xbar.author>Jonathan A Levi</xbar.author>
+# <xbar.author.github>entreprenewer</xbar.author.github>
+# <xbar.desc>Shows latest Bitcoin network fees on mempool.space (slow, medium, and fast via dropdown), and allows the user to select a default view for the bar itself. </xbar.desc>
+# <xbar.image>https://i.imgur.com/krOybyz.png</xbar.image>
+#
+# by Jonathan A Levi
+# Based on Bitfinex bitbar plugin by Roberto Santacroce Martins and Dash tickers: Coincap.io and Poloniex.com by UdjinM6
+
+# Grab all info beforehand
+fee_info=$(curl -s "https://mempool.space/api/v1/fees/recommended")
+fast=$(curl -s "https://mempool.space/api/v1/fees/recommended" | egrep -o '"fastestFee":[0-9]+(\.)?([0-9]{0,2})?' | sed 's/"fastestFee"://')
+medium=$(curl -s "https://mempool.space/api/v1/fees/recommended" | egrep -o '"halfHourFee":[0-9]+(\.)?([0-9]{0,2})?' | sed 's/"halfHourFee"://')
+slow=$(curl -s "https://mempool.space/api/v1/fees/recommended" | egrep -o '"hourFee":[0-9]+(\.)?([0-9]{0,2})?' | sed 's/"hourFee"://')
+
+# SET DEFAULT VIEW HERE
+# (Replace with $slow, $medium, or $fast)
+default=$slow
+
+
+#Menu bar
+printf "%ld sat/vB\n" $default
+echo "---"
+printf "Slow: %ld sat/vB | color=red\n" $slow
+printf "Medium: %ld sat/vB | color=orange\n" $medium
+printf "Fast: %ld sat/vB | color=green\n" $fast
+echo "Visit Mempool | href=\"https://mempool.space\""