feat: add sum function

configs/zsh/functions/sum.zsh

@@ -0,0 +1,22 @@
+function sum(){
+
+    URL=$1
+
+    #echo "URL: $URL";
+
+    TEXT=$(lynx -notitle -nonumbers -trim_input_fields -nobrowse -hiddenlinks=ignore --dump $URL | xargs | sed -e 's!http\(s\)\{0,1\}://[^[:space:]]*!!g' | sed -e 's/\[[^][]*\]//g')
+    DEEP_API_KEY="a2de657c-75d0-4a7c-acdf-3b886f860282"
+
+    #echo "--------------------";
+    #echo $TEXT
+    #echo "--------------------";
+
+    RESULT_JSON=$(curl --silent -F "text=$TEXT" -H "api-key:$DEEP_API_KEY" https://api.deepai.org/api/summarization )
+
+    #echo "JSON: $RESULT_JSON"
+
+    RESULT=$(echo $RESULT_JSON | tr '\r\n' ' ' | jq ".output")
+
+    echo $RESULT
+
+}