Missing designers info (#2648)

* Added designers information for ANRT

* Added informations for ETC

* Added informations for Tyler Finck

* Corrected Baskervville's designer name to match designer in catalog

* Added ETC in Epilogue's designer

* Added ETC in Grandstander's designer

catalog/designers/anrt/bio.html

@@ -0,0 +1,2 @@
+<p>the ANRT (Atelier national de recherche typographique) is a postgraduate research course in type design and typography based in Nancy, France</p>
+<p><a href="https://anrt-nancy.fr/en/presentation-en/" target="_blank">Homepage</a> | <a href="https://twitter.com/ANRT_type" target="_blank">Twitter</a> | <a href="https://www.instagram.com/anrt_type/" target="_blank">Instagram</a></p>

catalog/designers/anrt/info.pb

@@ -0,0 +1,5 @@
+designer: "ANRT"
+link: "https://anrt-nancy.fr/en/presentation-en/"
+avatar: {
+  file_name: "anrt.png"
+}

catalog/designers/etc/bio.html

@@ -0,0 +1,4 @@
+<p>Etcerera Type Company is a New-York based foundry founded in 2018 by Tyler Finck. It distributes opensource playful variable fonts.
+</p>
+
+<p><a href="https://www.etceteratype.co" target="_blank">Homepage</a></p>

catalog/designers/etc/info.pb

@@ -0,0 +1,5 @@
+designer: "ETC"
+link: "https://www.etceteratype.co"
+avatar: {
+  file_name: "etc.png"
+}

catalog/designers/tylerfinck/bio.html

@@ -0,0 +1,3 @@
+<p> Tyler Finck is a prolific and polyvalent designer/artist/musician based in Ithaca, New-York.
+</p>
+<p><a href="https://www.tylerfinck.com" target="_blank">Homepage</a>

catalog/designers/tylerfinck/info.pb

@@ -1,5 +1,5 @@
 designer: "Tyler Finck"
-link: "https://plus.google.com/100992802540893942118/about"
+link: "https://www.tylerfinck.com"
 avatar: {
   file_name: "tyler_finck.png"
-}
+}

ofl/baskervville/METADATA.pb

@@ -1,5 +1,5 @@
 name: "Baskervville"
-designer: "ANRT (Atelier National de Recherche typographique)"
+designer: "ANRT"
 license: "OFL"
 category: "SERIF"
 date_added: "2019-10-04"

ofl/epilogue/METADATA.pb

@@ -1,5 +1,5 @@
 name: "Epilogue"
-designer: "Tyler Finck"
+designer: "Tyler Finck, ETC"
 license: "OFL"
 category: "SANS_SERIF"
 date_added: "2020-06-26"