add scripts to easily install reqs for dual mode switch and termux

scripts/install_termux_reqs.sh

@@ -0,0 +1,12 @@
+if ! echo "${PATH}" | grep -qi "com.termux"; then
+  echo "Not a termux Env, Skipping..."
+  exit
+fi
+
+ub_core_req_url="https://github.com/thedragonsinn/ub-core/raw/main/requirements.txt"
+
+curl -fsSL ${ub_core_req_url} | grep -Ev "uvloop|psutil" | xargs pip install 
+
+./scripts/install_ub_core.sh "--no-deps"
+
+grep -Ev "google-generativeai|pillow" req.txt | xargs -n 1 pip install

scripts/install_ub_core.sh

@@ -0,0 +1,7 @@
+dual_mode_arg=""
+
+if [ ! -z "${USE_DUAL_BRANCH}" ]; then
+    dual_mode_arg="@dual_mode"
+fi
+
+pip -q install --no-cache-dir --force-reinstall $1 "git+https://github.com/thedragonsinn/ub-core${dual_mode_arg}"