Add first gist with Termux keys geared towards Emacs usage

README.org

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+Gists referred from my Mastodon account (@bram85@emacs.ch).

gists.org

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+#+title: Gists by bram85
+#+PROPERTY: header-args :mkdirp yes
+
+#+begin_src org :tangle README.org
+  Gists referred from [[https://emacs.ch/@bram85][@bram85@emacs.ch]].
+#+end_src
+
+* Termux keys
+
+Put this in ~/.termux/termux.properties for a better Emacs experience inside Termux.
+
+#+begin_src conf :tangle gists/termux-emacs-keys.conf
+  extra-keys = [[ \
+    {key: ESC, popup: {macro: "CTRL g", display: "C-g"}}, \
+    {key: CTRL, popup: {macro: "CTRL x", display: "C-x"}}, \
+    {key: ALT, popup: {macro: "ALT x", display: "M-x"}}, \
+    {key: TAB}, \
+    {key: DEL, popup: {macro: "CTRL k", display: C-k}}, \
+    {key: LEFT, popup: HOME}, \
+    {key: DOWN, popup: PGDN}, \
+    {key: UP, popup: PGUP}, \
+    {key: RIGHT, popup: END} \
+  ]]
+#+end_src

gists/termux-emacs-keys.conf

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+extra-keys = [[ \
+  {key: ESC, popup: {macro: "CTRL g", display: "C-g"}}, \
+  {key: CTRL, popup: {macro: "CTRL x", display: "C-x"}}, \
+  {key: ALT, popup: {macro: "ALT x", display: "M-x"}}, \
+  {key: TAB}, \
+  {key: DEL, popup: {macro: "CTRL k", display: C-k}}, \
+  {key: LEFT, popup: HOME}, \
+  {key: DOWN, popup: PGDN}, \
+  {key: UP, popup: PGUP}, \
+  {key: RIGHT, popup: END} \
+]]