Add Vivaldi browser app

apps/Vivaldi web browser/credits

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+Big thanks to chunky-milk for app idea and install script:
+https://github.com/chunky-milk/pi-bashscripts-files/tree/main/vivaldi
+
+Icon, description, and everything else required by pi-apps by Itai-Nelken

apps/Vivaldi web browser/description

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+Fast. private browser with unique features.
+
+official vivaldi browser for arm linux.

apps/Vivaldi web browser/install-32

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+#!/bin/bash
+
+DIRECTORY="$(dirname "$(dirname "$( cd "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )")")"
+
+function error {
+  echo -e "\\e[91m$1\\e[39m"
+  exit 1
+}
+
+wget https://vivaldi.com/download/vivaldi-stable_armhf.deb -O ~/vivaldi_armhf.deb || error 'Failed to download vivaldi!'
+sudo apt install --fix-missing -y ~/vivaldi_armhf.deb || error 'Failed to install vivaldi!'
+rm ~/vivaldi_armhf.deb

apps/Vivaldi web browser/uninstall

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+#!/bin/bash
+
+DIRECTORY="$(dirname "$(dirname "$( cd "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )")")"
+
+function error {
+  echo -e "\\e[91m$1\\e[39m"
+  exit 1
+}
+
+sudo apt purge vivaldi-stable -y
+sudo apt autoremove -y

apps/Vivaldi web browser/website

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+https://vivaldi.com