Added APT package info when generating "Report Issue" text

This will now take a few more seconds due to "apt update" command being run.

termux-shared/src/main/res/raw/apt_info_script.

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+subscribed_repositories() {
+	local main_sources
+	main_sources=$(grep -P '^\s*deb\s' "@TERMUX_PREFIX@/etc/apt/sources.list")
+
+	if [ -n "$main_sources" ]; then
+		echo "#### sources.list"
+		echo "\`$main_sources\`"
+	fi
+
+	local filename repo_package supl_sources
+	while read -r filename; do
+		repo_package=$(dpkg -S "$filename" 2>/dev/null | cut -d : -f 1)
+		supl_sources=$(grep -P '^\s*deb\s' "$filename")
+
+		if [ -n "$supl_sources" ]; then
+			if [ -n "$repo_package" ]; then
+				echo "#### $repo_package (sources.list.d/$(basename "$filename"))"
+			else
+				echo "#### sources.list.d/$(basename "$filename")"
+			fi
+			echo "\`$supl_sources\`"
+		fi
+	done < <(find "@TERMUX_PREFIX@/etc/apt/sources.list.d" -maxdepth 1 ! -type d)
+}
+
+updatable_packages() {
+	local updatable
+
+	if [ "$(id -u)" = "0" ]; then
+		echo "Running as root. Cannot check updatable packages."
+	else
+		apt update >/dev/null 2>&1
+		updatable=$(apt list --upgradable 2>/dev/null | tail -n +2)
+
+		if [ -z "$updatable" ];then
+			echo "All packages up to date"
+		else
+			echo "\`$updatable\`"
+		fi
+	fi
+}
+
+output="
+### Subscribed Repositories
+
+$(subscribed_repositories)
+##
+
+
+### Updatable Packages
+$(updatable_packages)
+##
+
+"
+
+echo "$output"