Changed . token to _dot

This change allows the dotfiles to work with chezmoi (e.g: on windows)
and improves grepability with neovim/telescope

dot_config/nushell/nu_scripts/sourced/api_wrappers/wolframalpha.nu

@@ -0,0 +1,19 @@
+let appID = "" #YOUR APP_ID
+
+#Fetch simple answer from WolframAlpha API
+def wolfram [...query #Your query
+] {
+    let query_string = ($query | str join " ")
+    let result = (http get ("https://api.wolframalpha.com/v1/result?" + ([[appid i]; [$appID $query_string]] | url build-query)))
+    $result + ""
+}
+
+#Fetch image with full answer from WolframAlpha API
+def wolframimg [...query #Your query
+] {
+    let query_string = ($query | str join " ")
+    let filename = ($query_string + ".png")
+    let link = ("https://api.wolframalpha.com/v1/simple?" + ([[appid i]; [$appID $query_string]] | url build-query) + "&background=F5F5F5&fontsize=20")
+    http get $link | save $filename
+    echo ("Query result saved in file: " + $filename)
+}