add alt-ergo. Closes #1

tools/sat-smt/alt-ergo.md

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+date = 2025-06-07
+draft = false
+title = 'Alt-Ergo'
+subtitle = 'SMT Solver'
+links = [
+    { title = "Homepage", url = "https://alt-ergo.ocamlpro.com/", icon = 'fa-solid fa-home' },
+    { title = "Source Code", url = "https://github.com/ocamlpro/alt-ergo", icon = 'fa-brands fa-github'  },
+    { title = "Playground", url = "https://try-alt-ergo.ocamlpro.com/", icon = 'fa-solid fa-gamepad' }
+]
+applications = ['SMT Solver']
+developers = ['OCaml Pro']
+licenses = ['OCamlPro-Non-Commercial']
+inputs = ['SMTLIB2', 'Alt-Ergo']
+interfaces = ['CLI', 'Online']
+maintenance = ['Actively Maintained']
+# techniques = ['CDCL']
+# publications = ['']
++++
+
+<!-- {{<inactive year="2024">}} -->
+Alt-Ergo is an automatic prover of mathematical formulas used behind software verification tools such as Frama-C, SPARK, Why3, Atelier-B and Caveat.